Home / 2,803.09-3,866.22-1,740.35

Finding the Fourth Proportional to 2,803.09, 3,866.22 and 1,740.35

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Solution

The fourth proportional to 2,803.09, 3,866.22 and 1,740.35 is: 2,400.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803.09 : 3,866.22 = 1,740.35 : x
  2. Step 2: Convert to fraction form
    2,803.09/3,866.22 = 1,740.35/x
  3. Step 3: Cross multiply
    2,803.09x = 3,866.22 × 1,740.35
  4. Step 4: Simplify right side
    2,803.09x = 6,728,575.98
  5. Step 5: Solve for x
    x = 6,728,575.98/2,803.09
  6. Step 6: Final answer
    x = 2,400.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.